<template>
  <view v-if="goodsInfo.goods_name" class="goods_detail_container">
    <!-- 轮播图 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in goodsInfo.pics" :key="i" @click="preview(i)">
        <image :src="item.pics_big"></image>
      </swiper-item>
    </swiper>
    <!-- 商品信息 -->
    <view class="goods-info-box">
      <!-- 价格 -->
      <view class="goods-price" >
        ￥{{goodsInfo.goods_price}}
      </view>
      <!-- 商品名称 -->
      <view class="goods-info-body">
        <view class="goods_name">
          {{goodsInfo.goods_name}}
        </view>
        <view class="goods-star">
          <uni-icons type="star" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <!-- 运费 -->
      <view class="goods_deliv">
        快递：免运费
      </view>
    </view>
    <rich-text :nodes= "goodsInfo.goods_introduce"></rich-text>
    <view class="goods_nav">
      <uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
    </view>
    
  </view>
</template>

<script>
  import { mapState, mapMutations,mapGetters} from 'vuex'
  export default {
    computed:{
      ...mapState('m_cart',[]),
      ...mapGetters('m_cart',['total'])
    },
    watch:{
      total:{
        handler(newval){
          const findResult = this.options.find(x => x.text === '购物车')
          if(findResult){
            findResult.info = newval
          }
        },
        immediate:true
      }
    },
    data() {
      return {
        goodsInfo:{},
        options: [{
        			icon: 'shop',
        			text: '店铺',
        		}, {
        			icon: 'cart',
        			text: '购物车',
        			info: 0
        		}],
        	    buttonGroup: [{
        	      text: '加入购物车',
        	      backgroundColor: '#ff0000',
        	      color: '#fff'
        	    },
        	    {
        	      text: '立即购买',
        	      backgroundColor: '#ffa200',
        	      color: '#fff'
        	    }
        	    ]
      };
    },
    onLoad(options) {
      const goods_id = options.goods_id
      this.getGoodsInfo(goods_id)
    },
    methods:{
      buttonClick(e){
        if(e.content.text === '加入购物车'){
          // 组织一个商品信息对象
          const goods = {
            goods_id : this.goodsInfo.goods_id,
            goods_name : this.goodsInfo.goods_name,
            goods_price : this.goodsInfo.goods_price,
            goods_count : 1,
            goods_small_logo: this.goodsInfo.goods_small_logo,
            goods_state: true
          }
          // 调用映射的addToCart方法
          this.addToCart(goods)
        }
      },
      async getGoodsInfo(goods_id){
        const {data:res} = await uni.$http.get('https://api-ugo-web.itheima.net/api/public/v1/goods/detail',{goods_id})
        if(res.meta.status !== 200) return uni.$showMsg()
        res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g,'<img style="display:block;"').replace(/webp/g,'jpg')
        this.goodsInfo = res.message
      },
      preview(i){
        uni.previewImage({
          current:i,
          urls:this.goodsInfo.pics.map(x => x.pics_big)
        })
      },
      onClick(e){
        console.log(e);
      
        {
          uni.switchTab({
            url:'/pages/cart/cart'
          })
        }
      },
      ...mapMutations('m_cart',['addToCart'])
    }
  }
</script>

<style lang="scss">
swiper{
  height: 750rpx;
  image{
    width: 100%;
    height: 100%;
  }
}
.goods-info-box{
  margin: 5px;
  .goods-price{
    color: #c00000;
    font-size: 16px;
  }
  .goods-info-body{
    display: flex;
    
    .goods_name{
      font-size: 12px;
      margin-right: 10px;
    }
    .goods-star{
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      width: 120px;
      font-size: 10px;
      color: gray;
      
      border-left: 1px solid #efefef;
      text-align: center;
    }
    
  }
  .goods_deliv{
    font-size: 10px;
    color: gray;
    margin: 10px 0;
  }
}
.goods_nav{
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
}
.goods_detail_container{
  padding-bottom: 50px;
}
</style>
